If woodcraft is trained beyond some point (e.g. >80) allow ones to create doors with it. One door would require one log or 5-15 wooden sticks (number of sticks could be reduced for higher skill levels). Doors should be never trapped and never locked. Time required to craft a door should depend on skill level and B/U/C status of the wood but should be around 10 turns (wands create doors instantly and with no effort which already gives much advantages to them).

I would add this as a class power to ability sceen if woodcraft will ever have another function to avoid unnecessary prompts.